Roll core casing device and concentricity correction method

The invention relates to the technical field of battery production, and particularly discloses a roll core shell loading device and a concentricity correction method, the roll core shell loading device comprises a workbench, a rotary core supply mechanism for supplying roll cores and a rotary shell supply mechanism for supplying steel shells; the rotary core supply mechanism and the rotary shell supply mechanism are both mounted on the workbench; the workbench is provided with a reference hole; the rotary core supply mechanism is provided with a calibration hole aligned with the reference hole and a core supply hole parallel to the calibration hole; and the rotary shell supply mechanism is provided with a shell supply hole aligned with the core supply hole. According to the device for loading the roll core into the shell and the concentricity correction method, when the roll core is loaded into the steel shell, high concentricity can be achieved between the roll core and the steel shell, the end face of the r